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Extreme Ravine
Creek crossings and radical climbs on gnarly trails
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Woolly Mammoth 5K & 10K
First stop of NYC's Winter Series, from Veterans Pier
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Tom Hamlin January Freeze 10K Series
Four Saturdays in Otsiningo Park, pie prizes for winners
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NYS Parks Winter Run Series
5K series across Long Island's state parks
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The 16th Annual 10 Mile Brewery Run in Memory of Ric DiVeglio
Flat, USATF-certified 10-miler on Long Island
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Winter Chill 5K #3 2026
Flat lakeside 5K on Ithaca's Cayuga Inlet trail
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Hartshorne Memorial Masters Mile
National masters milers chase fast times indoors at Cornell
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NYCRUNS Frozen Pigeon 5K
Loop through Brooklyn's Prospect Park to start the year
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SRC 10 Mile Run to Moriches Field Brewery
Ten miles of water views, finishing at a brewery
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Frosted Lakes 5K
Winter 5K near Keuka Lake in the Finger Lakes
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Polar Bear Half Marathon & 5K
Final stop of NYC's Winter Series in Prospect Park
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22 Degree Run & Plunge
2.2-mile run into the Great South Bay
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Icebreaker Marathon, Half Marathon & 5K
Boston-qualifying loop through Eisenhower Park
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Stone Wall Snowshoe Race
Snowshoe race through Winona State Forest
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NYS Parks Winter Run Series – Sunken Meadow
Sunken Meadow State Park, on Long Island Sound
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Saratoga Winterfest 5K Snowshoe Race
Snowshoe racing through Saratoga Spa State Park
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Hot Cocoa Crush 5K & 10K
Finishes with hot cocoa in Flushing Meadows Corona Park
Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.